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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 13
36.
Which is the most suitable dye for synthetic fibres ?
Acid dye
Azoic dye
Pigment dye
Mordant dye
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Pick out the wrong statement.
Cold rubber (SBR) is superior as compared to hot rubber (SBR).
Polymerisation temperature can modify the properties of SBR.
Production of cold SBR employs lower pressure as compared to that of hot SBR.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Pick out the wrong statement.
Strongly caking coal should not be used in the Lurgi gasifier.
Acetylene gas can not be used for illumination purpose.
Water gas is called blue gas because of the color of the flame, when it is burnt.
Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Hydrolysis of sugar is called
hydration
inversion
esterification
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Sulphuric acid completely saturated with sulphur trioxide is called
concentrated sulphuric acid.
oleum.
sulphurous acid.
dilute sulphuric acid.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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